Power Boost XI One way to get around limiting muscles is to pre-exhuast them prior to working other muscle groups. For example, when you are doing an exercise where you are working multiple muscles, such as a row, your biceps can sometimes become fatigued before your lats. An exercise that isolates and works only your lats, performed before your workout, allows you to avoid this problem. Because your lats will have tired somewhat before you ever start doing rows, your biceps will be less likely to limit you.

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